111134434143 has 16 divisors (see below), whose sum is σ = 155886998400. Its totient is φ = 70322350560.

The previous prime is 111134434141. The next prime is 111134434207. The reversal of 111134434143 is 341434431111.

It is not a de Polignac number, because 111134434143 - 2¹ = 111134434141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111134434143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134434141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10820353 + ... + 10830618.

It is an arithmetic number, because the mean of its divisors is an integer number (9742937400).

Almost surely, 2^111134434143 is an apocalyptic number.

111134434143 is a deficient number, since it is larger than the sum of its proper divisors (44752564257).

111134434143 is a wasteful number, since it uses less digits than its factorization.

111134434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21651062.

The product of its digits is 6912, while the sum is 30.

Adding to 111134434143 its reverse (341434431111), we get a palindrome (452568865254).

The spelling of 111134434143 in words is "one hundred eleven billion, one hundred thirty-four million, four hundred thirty-four thousand, one hundred forty-three".